WAEC Agricultural Science Past Questions & Answers - Page 145

721.

In sheep production, litter is put on the floor mainly to

A.

Reduce the build-up of ectoparasites

B.

Facilitate cleaning of the house

C.

Reduce the incidence of pneumonia in lambs

D.

Help maintain suitable humidity in the house

Correct answer is C

No explanation has been provided for this answer.

722.

Fish ponds in arid areas should be deeper than those in the rain forests in order to

A.

Ensure rapid growth of fish in arid areas

B.

Prevent loss of fish through extreme of temperatures

C.

Provide sufficient nutrients for the survival of fish

D.

Prevent exposure of fish to direct effect of the sun

Correct answer is B

No explanation has been provided for this answer.

723.

Which of the following factors have negative influence on egg weight? 
I. High environmental temperature 
II. Poor lighting 
III. Comb size

A.

I and II only

B.

I and III only

C.

II and III only

D.

I, II and III

Correct answer is A

No explanation has been provided for this answer.

724.

A disease which affects poultry only is

A.

Coccidiosis

B.

Newcastle

C.

Pox

D.

Helminthiasis

Correct answer is C

No explanation has been provided for this answer.

725.

A sheep grained 20 kg of weight after consuming 60 kg of feed. Determine the feed conversion ratio.

A.

1:2

B.

2:3

C.

3:1

D.

5:4

Correct answer is C

No explanation has been provided for this answer.